Enable kernel modules necessary for IPVS

[mdonkers]

To be able to use Kubernetes' IPVS proxy-mode, certain (IP Set) kernel modules
need to be enabled during kernel build time.
Building a new Minikube image with these modules enabled, will allow
others to switch kube-proxy in IPVS mode and experiment with it inside
Minikube.

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: mdonkers
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[minikube-bot]

Can one of the admins verify this patch?

[mdonkers]

PR for issue: #3087